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can be deduced from any of the following: the magnitude of the difference of two performance levels, a
performance level in isolation, or comparing performance levels from different servers.
For more information, refer to the DBE man page on XdbeScreenVisualInfo().
Supported Devices
The X server supports DBE on the following devices:
• Internal Color Graphics
• Integrated Color Graphics
• CRX-24[Z]
• CRX-48Z
• HCRX-8[Z]
• HCRX-24[Z]
• HP VISUALIZE ™ -EG
• HP VISUALIZE-8
• HP VISUALIZE-24
• HP VISUALIZE-48[XP]
• HP VISUALIZE-FX
2
• HP VISUALIZE-FX
4
• HP VISUALIZE-FX
6
• HP VISUALIZE-FX
5
and FX
10
• HP VISUALIZE-FXE
Display Power Management Signaling (DPMS)
Monitors constitute a large percentage of the power used by a workstation even when not actively in use
(i.e., during screen blanking). In order to reduce the power consumption, the Video Electronic Standards
Association (VESA) has defined a Display Power Management Signaling (DPMS) standard which can
be used to greatly reduce the amount of power being used by a monitor during screen blanking.
The X server features the ability to make use of DPMS on the following graphics devices:
• HP VISUALIZE-EG
• HCRX-8[Z], HCRX-24[Z]
• HP VISUALIZE-8, HP VISUALIZE-24, and HP VISUALIZE-48[XP].
• HP VISUALIZE-FX
2
, HP VISUALIZE-FX
4
, HP VISUALIZE-FX
6
• HP VISUALIZE-FX
5
and FX
10
• HP VISUALIZE-FXE
The following table is a description of the states that are defined by VESA. The Power Savings column
indicates (roughly) the level of power savings achieved in the given state. The Recovery Time is the
amount of time that the screen takes to return to a usable state when the screen saver is turned off (by
pressing a key or the moving the mouse).
Graphics Administration Guide for HP-UX 10.20
Page 31